Shock absorption bumper and manufacturing method thereof
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorChul Hong BAE
Life of this patent
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Abstract
A method of manufacturing a bumper for impact absorption and a bumper for the impact absorption manufactured from the same are provided. The method includes: filling solid salts in a mold, injecting a molten metal into the mold, and solidifying the molten metal with the solid salts to obtain a solidified product, spraying water onto the solidified product to dissolve the solid salts, which results in obtaining a porous metal having pores, disposing the porous metal in an injection mold, and injecting-inserting a resin composite into the injection mold to surround the porous metal while filling at least a part of the pores in the porous metal.
Claims15
A method of manufacturing a bumper for impact absorption, the method comprising:
- filling solid salts in a mold, injecting a molten metal into the mold, and solidifying the molten metal with the solid salts to obtain a solidified product;
- spraying water onto the solidified product to dissolve the solid salts, which results in obtaining a porous metal having pores;
- disposing the porous metal in an injection mold;
- and
- injecting-inserting a resin composite into the injection mold to surround the porous metal while filling at least a part of the pores in the porous metal.
A bumper for impact absorption comprising:
- a porous metal;
- and
- a resin composite,
- wherein the resin composite surrounds the porous metal while filling at least a part of pores in the porous metal.
Dependencies are inferred from the claim text.